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HitachiHDS723030ALA640
WDWD20EZRZ
▲ 51367 ▼

Release date: Q1 2011.

VS
▲ 52435 ▼

Release date: Q3 2015.

Effective Speed 
+6%
Real World Speed
Performance profile from 260,160 user samples
Benchmark your HDD here
6,344 User Benchmarks
Best Bench: 87% 3TB free
Worst Bench: 40% 2.5TB free
Poor: 40% Great: 87%
SPEED RANK: 137th / 1015
253,816 User Benchmarks
Best Bench: 84% 1.5TB free
Worst Bench: 40% 109GB free
Poor: 40% Great: 84%
SPEED RANK: 162nd / 1015
Effective Speed
Effective HDD Speed 		68.3 % Slightly faster effective speed.
+6% 		64.8 %
Average Score 
+0%
Read
Avg. Sequential Read Speed 		119 MB/s +3% 116 MB/s
Write
Avg. Sequential Write Speed 		121 MB/s Faster write speed.
+13% 		107 MB/s
4K Read
Avg. 4K Random Read Speed 		0.99 MB/s Faster random read.
+16% 		0.85 MB/s
4K Write
Avg. 4K Random Write Speed 		1.85 MB/s 2.25 MB/s Faster random write.
+22%
Mixed
Avg. Sequential Mixed IO Speed 		67.9 MB/s 74.3 MB/s Slightly faster mixed IO speed.
+9%
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.82 MB/s 0.91 MB/s Faster random mixed IO.
+11%
SusWrite
Avg. Sustained Write Speed 		119 MB/s Slightly faster sustained write speed.
+9% 		109 MB/s
Peak Score 
+1%
Read
Peak Sequential Read Speed 		151 MB/s 152 MB/s +1%
Write
Peak Sequential Write Speed 		155 MB/s Slightly faster peak write speed.
+8% 		143 MB/s
4K Read
Peak 4K Random Read Speed 		1.2 MB/s Faster peak random read.
+20% 		1 MB/s
4K Write
Peak 4K Random Write Speed 		2.3 MB/s 2.7 MB/s Faster peak random write.
+17%
Mixed
Peak Sequential Mixed IO Speed 		84.7 MB/s 94.6 MB/s Faster peak mixed IO speed.
+12%
4K Mixed
Peak 4K Random Mixed IO Speed 		0.9 MB/s 1 MB/s Faster peak random mixed IO.
+11%
SusWrite
Peak Sequential Sustained Write 60s Average 		154 MB/s Slightly faster peak sustained write speed.
+7% 		144 MB/s
Value & Sentiment 
+597%
Market Share
Based on 53,963,711 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.04 % 1.03 % Insanely higher market share.
+2,475%
Value
Value For Money 		68.6 % Much better value.
+78% 		38.6 %
User Rating
UBM User Rating 		51 % 52 % +2%
Price
Price (score) 		$60 Cheaper.
+11% 		$67
Nice To Haves 
+32%
Age
Newest 		164 Months 111 Months Much more recent.
+32%
Specifications 
Capacity
Capacity 		3TB 2TB
Conclusion 
Average Bench 68.3%
Average Bench 64.8%

The 3TB Hitachi Deskstar 7K3000 once delivered performance that rivaled the long established class leaders in this capacity (WD Black included) and at an extremely competitive price. The drive was special in that it had 5 platters (vs the usual 3) and ran at 7K rpm despite having a relatively high capacity. The new design worked fantastically well resulting in a class leading product at launch. That was nearly three years ago. With peak sequential speeds of 95 MB/s and 4K speeds of 1 MB/s the Deskstar 7K3000 can no longer compete and clocks in around 35% slower than its modern day competitors. There are far better deals to be had elsewhere at this time. [Oct '12 HDrivePro]

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We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top HDDs. [HDrivePro]

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